[AK4706]
FILTER CHARACTERISTICS
(Ta = 25°C; VP=11.4∼12.6V, VD1=VD2=4.75∼5.25V, VVD1=VVD2=VVD3=VVD4=4.75∼5.25V; fs = 48kHz; DEM0
= “1”, DEM1 = “0”)
Parameter
Digital filter
Passband
Symbol
min
typ
max
Units
PB
0
-
21.77
-
kHz
kHz
kHz
dB
dB
1/fs
±0.05dB
-6.0Db
(Note 16)
(Note 16)
24.0
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
SB
PR
SA
GD
26.23
± 0.01
64
-
(Note 17)
24
-
Digital Filter + LPF
FR
-
-
dB
Frequency Response 0 ∼ 20.0kHz
± 0.5
Note 16. The passband and stopband frequencies scale with fs.
e.g.) PB=0.4535×fs (@±0.05dB), SB=0.546×fs.
Note 17. The calculating delay time which occurred by digital filtering. This time is from setting the 16/18/24bit data of
both channels to input register to the output of analog signal.
MS0507-E-01
2010/09
- 14 -